Liverpool 1939: Olivia Campbell appears to have the perfect life. However, behind closed doors she lives in constant fear of her abusive father and has no support from her mother. Longing for love and affection, she begins a relationship with Ted, a young lad who works in her father's factory. But her family disapprove of the relationship and forbid them from seeing each other.

In 1820, Salem Street is sparkling and new: eight small terraced houses built by a Lancashire mill owner for his best workers. Annie Gibson's family is one of the first to move in - a step up in the world for them. But when her mother dies, Annie's happy childhood ends and she is left to bring up her brother and sister. Red-haired, intelligent and startlingly pretty, Annie soon finds herself banished from home by a jealous stepmother. She finds work in the local doctor's household, where she learns about the fascinating world outside Salem Street.

Marianne seems to have everything. She is married to a handsome Naval officer, Neil Sheridan. They have a daughter, Libby, and a beautiful home near Prince's Park in Liverpool. When war comes, Marianne takes war work and moves in with her mother, Mrs Wainwright, and younger sister. Neil disapproves because the Wainwrights live close to the docks, which are bound to be a bombing target, but Marianne is firm.

It is 1937, and Alice, Edith and Marg continue to face hardships every day, growing up on one of the poorest streets in Blackpool. Penniless, their friendship has helped them survive this far, but it'll take more than that to see them through the dark days ahead. Alice is coping with a violent father. Marg is left reeling after a dark secret about her birth comes to light and threatens to destroy the life she knows, and Edith is fighting to protect her alcoholic mother from the shame of their neighbours and keep her brother on the straight and narrow. 

 1936. Polly's guardian angel has to work overtime when her large family is forced to move from the countryside they love into central Liverpool. Money is desperately short, and with her mother working and her father sick, Polly is easily led astray by the handsome Sunny Andersen. But soon war looms, and Sunny joins the navy to train as a signaller. After the horrors of the May Blitz, Polly, too, decides she wants to help her country and goes into the WRNs. She hears that an old pal, Tad Donoghue from the Dublin slums, is now in the Royal Air Force.

Liverpool, 1940. When war comes to Britain, Jessica Wilson and her friend Ruby seize the opportunity to leave behind the orphanage they grew up in and start new lives in the NAAFI. With only forged papers as identification, the girls expect to be turned away but are delighted with an offer of work. For the first time in their lives they experience real independence, and it isn't long before they're spending their evenings enjoying the delights of Liverpool.

Miranda Lovage and her mother have a blazing row when Arabella tells her daughter that she can no longer afford their present lifestyle. Miranda goes to bed angry and upset. When she awakes next morning, however, it is to find that her mother has disappeared. Miranda raises the alarm but everyone is baffled, and when searches fail to discover Arabella's whereabouts, Miranda is forced to live with her Aunt Vi and cousin Beth, who resent her presence and treat her badly.

Liverpool, 1935. Kathy Kelling is coming home to Daisy Street from her first day at the High School, longing to tell her friend, Jane, all about it. The Kellings' life becomes a struggle when Kathy’s brother, Billy, has a serious accident. He needs constant attention, and Mrs Kelling must take in lodgers so that Kathy’s schooling does not suffer. When war breaks out, Kathy and Jane are forced to grow up fast. Kathy meets the handsome Alec Hewitt, but he is more attracted to blonde, bubbly Jane. But Fate has not yet finished with Kathy Kelling.... 

When Daisy's family lose their croft on the Connemara coast, her Aunt Jane, housekeeper to Dr. and Mrs Venables, offers to take Daisy back to Liverpool.

When Dot McCann, playing with her pals, decides to hide in Butcher Rathbone's almost empty dustbin, she overhears a conversation which could send one man to prison and the other to the gallows - and suddenly finds herself in possession of stolen goods. Dot lives with her aunt and uncle, abandoned after her parents died. She feels very alone until she meets up with Corky, who has run away from a London orphanage. They join forces with Emma, whose jeweller's shop has been burgled, and Nick, a young reporter who is investigating the crime.

Imogen, Rita and Debby all missed the original evacuation and now the authorities are finding it difficult to place them. When Auntie and her niece, Jill, who run the Canary and Linnet Public House, offer to take them in, the billeting officer is greatly relieved. The countryside is heaven to the three little townies, especially after they meet Woody and Josh. They find that by climbing to the top of a tree they are able to watch the comings and goings of the young fighter pilots.

Liverpool, 1939: 16-year-old Lizzy Atherton is forced to flee her violent stepfather in the middle of the night and finds herself stranded on a station platform completely alone. Desperate to know what has become of her beloved mother, who she had no choice but to leave behind, Lizzy returns the next day only to find her home deserted. Devastated, Lizzy joins forces with her old school friend Dolly and Clara, an escaped evacuee, and vows to find her mother whatever it takes. 

Emmy Dickens lives with her widowed mother in a neat house in neglected Nightingale Court, but Mrs Dickens has always impressed upon her daughter that her main aim in life must be to escape from the court. Emmy sees that marriage is her best way out, and when Peter Wesley, First Officer aboard a cruise ship, asks her to marry him, she is over the moon. Life goes well for the newlyweds; they set up home and start a family. But when Peter is killed and Emmy is left almost penniless, her problems begin.... 

Nell Whitaker is 15 when war breaks out and her mother sends her to live with her Auntie Kath in a remote farmhouse on Anglesey. At first Nell hates it, but her friendship with Bryn, who works on the farm whilst waiting for his call-up papers, helps a lot. So when he leaves to join his ship, Nell is counting the days to his return. But her heart is broken when news reaches her that Bryn’s ship has been bombed and he has been drowned. Determined to bury her grief in hard work, Nell finds herself growing closer to Auntie Kath.

Shocked beyond measure at her wrongful imprisonment, Phoebe Pardoe finds it hard to adjust to the harshness of life in the infamous Handsworth Prison. She struggles to maintain her unconquered spirit, little suspecting that her arrest is the work of her jealous Aunt Annie. Phoebe has a guardian angel in the form of Sir William Dartmouth, who eventually engineers her release. But even so, cruelly disinherited, Phoebe must strive to make a living for herself in a man's world.